MINIATURE Coupler

SERIES 21 KB - Automatic Double Shut-Off - NOMINAL PLUG BORE .20"

Specifications:

Working Temperature: depending on medium
-4°F up to +210°F (NBR)
-40°F up to +250/300°F (EPDM)
+5°F up to +400°F (FKM)
+32°F up to +600°F (FFKM)
At a temperature below -4°F and above +300°F special seals are available.

Both the couplings and plugs are fitted with a valve. While both valves are opened, full flow is guaranteed as soon as the two are connected. The valves close when disconnected.

Material

COUPLER

STANDARD
MATERIAL

NICKEL
PLATED

AISI
301

AISI
316 L

Back Body

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Valve Body

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Sleeve

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Valve

Brass

Brass

AISI 303

AISI 316 L

Spring & Locking Ring

AISI 301

AISI 301

AISI 301

AISI 316 TI

Locking Balls

AISI 420

AISI 420

AISI 420

AISI 420

Seals

NBR

NBR

FKM

FKM

PLUG

Plug Profile

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Back Body

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Valve

Brass

Brass,Nickel plated

AISI 303

AISI 316 L

Spring

AISI 301

AISI 301

AISI 301

AISI 316 L

Seal

NBR

NBR

FKM

FKM

INTERCHANGE

CAMOZZI

KANI

EWO

Series 21 KB Couplers

Coupler
Type

Connection(A)

Hex(SW)

Length
(L)

Depth(D)

L1

L2

Hex1(SW1)

B

G

Standard
Design
P/N

Nickel
Plated
P/N

AISI
303
P/N

AISI
316 L
P/N

Male
Thread

1/8" NPT

.55

1.49

.63

.35

21KB AN10 MPX

21KB AN10 MPN

21KB AN10 RVX

21KB AN10 EVX

1/4" NPT

.55

1.61

.63

.47

21KB AN13 MPX

21KB AN13 MPN

21KB AN13 RVX

21KB AN13 EVX

3/8" NPT

.66

1.61

.63

.47

21KB AN17 MPX

21KB AN17 MPN

21KB AN17 RVX

21KB AN17 EVX

Female
Thread

1/8" NPSF

.55

1.55

.63

.47

21KB IN10 MPX

21KB IN10 MPN

21KB IN10 RVX

21KB IN10 EVX

1/4" NPSF

.66

1.77

.63

.51

21KB IN13 MPX

21KB IN13 MPN

21KB IN13 RVX

21KB IN13 EVX

3/8" NPSF

.74

1.88

.63

.55

21KB IN17 MPX

21KB IN17 MPN

21KB IN17 RVX

21KB IN17 EVX

Hose
Barb

5/32"

.55

1.81

.63

.66

21KB TF04 MPX

21KB TF04 MPN

21KB TF04 RVX

21KB TF04 EVX

3/16"

.55

1.81

.63

.66

21KB TF05 MPX

21KB TF05 MPN

21KB TF05 RVX

21KB TF05 EVX

1/4"

.55

1.81

.63

.66

21KB TF06 MPX

21KB TF06 MPN

21KB TF06 RVX

21KB TF06 EVX

5/16"

.55

1.81

.63

.66

21KB TF08 MPX

21KB TF08 MPN

21KB TF08 RVX

21KB TF08 EVX

3/8"

.55

1.81

.63

.66

21KB TF10 MPX

21KB TF10 MPN

21KB TF10 RVX

21KB TF10 EVX

Push-Lock Hose Barb

1/4" P.L.

.55

1.96

.63

.78

21KB TP06 MPX

21KB TP06 MPN

21KB TP06 RVX

21KB TP06 EVX

Plastic Hose
Connection

5/32" x 1/4"

.55

1.69

.63

.27

.27

21KB KO46 MPX

21KB KO46 MPN

21KB KO46 RVX

21KB KO46 EVX

1/4" x 5/16"

.55

1.65

.63

.27

.23

21KB KO08 MPX

21KB KO08 MPN

21KB KO08 RVX

21KB KO08 EVX

Panel Mount,
Plastic Hose Conn.

5/32" x 1/4"

.55

2.12

.63

.27

.70

.55

.15

M 10x1

21KB KS46 MPX

21KB KS46 MPN

21KB KS46 RVX

21KB KS46 EVX

1/4" x 5/16"

.66

2.12

.63

.27

.70

.66

.15

M 12x1

21KB KS08 MPX

21KB KS08 MPN

21KB KS08 RVX

21KB KS08 EVX

Front Panel Install.
Plastic Hose Conn.

5/32" x 1/4"

.86

1.65

.94

.27

.62

.94

.19

M 20x1

21KB KE46 MPX

21KB KE46 MPN

21KB KE46 RVX

21KB KE46 EVX

1/4" x 5/16"

.86

1.65

.94

.27

.62

.94

.19

M 20x1

21KB KE08 MPX

21KB KE08 MPN

21KB KE08 RVX

21KB KE08 EVX

Front Panel Install.
Hose Barb
Panel Mount

5/32"

.86

1.81

.94

.66

.62

.94

.19

M 20x1

21KB TE04 MPX

21KB TE04 MPN

21KB TE04 RVX

21KB TE04 EVX

1/4"

.86

1.81

.94

.66

.62

.94

.19

M 20x1

21KB TE06 MPX

21KB TE06 MPN

21KB TE06 RVX

21KB TE06 EVX

5/16"

.86

1.81

.94

.66

.62

.94

.19

M 20x1

21KB TE08 MPX

21KB TE08 MPN

21KB TE08 RVX

21KB TE08 EVX

3/8"

.86

1.81

.94

.66

.62

.94

.19

M 20x1

21KB TE10 MPX

21KB TE10 MPN

21KB TE10 RVX

21KB TE10 EVX

Panel Mount
Hose Barb

5/32"

.55

2.36

.63

.66

.55

.55

.15

M 10x1

21KB TS04 MPX

21KB TS04 MPN

21KB TS04 RVX

21KB TS04 EVX

3/16"

.66

2.36

.63

.66

.55

.66

.15

M 12x1

21KB TS05 MPX

21KB TS05 MPN

21KB TS05 RVX

21KB TS05EVX

1/4"

.66

2.36

.63

.66

.55

.66

.15

M 12x1

21KB TS06 MPX

21KB TS06 MPN

21KB TS06 RVX

21KB TS06 EVX

5/16"

.66

2.36

.63

.66

.55

.66

.15

M 12x1

21KB TS08 MPX

21KB TS08 MPN

21KB TS08 RVX

21KB TS08 EVX

Plastic Hose Conn.
w/ Spring Guard

5/32" x 1/4"

.55

4.92

.63

.27

.27

21KB KK46 MPX

21KB KK46 MPN

21KB KK46 RVX

21KB KK46 EVX

1/4" x 5/16"

.55

5.11

.63

.27

.23

21KB KK08 MPX

21KB KK08 MPN

21KB KK08 RVX

21KB KK08 EVX

Male Thread
Coupler

Female Thread
Coupler>

Hose Barb
Coupler

Push-Lock Hose
Barb Coupler

Plastic Hose
Connection

Panel Mount Plastic
Hose Connect. Coupler

Front Panel Install Plastic
Hose Connect. Coupler

Front Panel Install Hose
Barb Panel Coupler

Panel Mount Hose
Barb Coupler

Plastic Hose Connect. w/
Spring Guard Coupler

Series 21 SB Plugs

Plug
Type

Connection(A)

Hex(SW)

Length
(L)

L1

L2

Hex1(SW1)

B

G

Standard
Design
P/N

Nickel
Plated
P/N

AISI
303
P/N

AISI
316 L
P/N

Hose
Barb

5/32"

.55

1.96

.66

21SB TF04 MPX

21SB TF04 MPN

21SB TF04 RVX

21SB TF04 EVX

3/16"

.55

1.96

.66

21SB TF05 MPX

21SB TF05 MPN

21SB TF05 RVX

21SB TF05 EVX

1/4"

.55

1.96

.66

21SB TF06 MPX

21SB TF06 MPN

21SB TF06 RVX

21SB TF06 EVX

5/16"

.55

1.96

.66

21SB TF08 MPX

21SB TF08 MPN

21SB TF08 RVX

21SB TF08 EVX

3/8"

.55

1.96

.66

21SB TF10 MPX

21SB TF10 MPN

21SB TF10 RVX

21SB TF10 EVX

Push-Lock
Hose Barb

1/4" P.L.

.55

2.12

.78

21SB TP06 MPX

21SB TP06 MPN

21SB TP06 RVX

21SB TP06 EVX

Plastic Hose
Connection

5/32" x 1/4"

1.81

.27

.23

M 10x1

21SB KO46 MPX

21SB KO46 MPN

21SB KO46 RVX

21SB KO46 EVX

1/4" x 5/16"

1.81

.27

.23

M 12x1

21SB KO08 MPX

21SB KO08 MPN

21SB KO08 RVX

21SB KO08 EVX

Panel Mount
Plastic Hose Connect.

5/32" x 1/4"

.55

2.28

.27

.70

.47

.11

M 10x1

21SB KS46 MPX

21SB KS46 MPN

21SB KS46 RVX

21SB KS46 EVX

1/4" x 5/16"

.55

2.28

.27

.70

.66

.15

M 12x1

21SB KS08 MPX

21SB KS08 MPN

21SB KS08 RVX

21SB KS08 EVX

Panel Mount,
Hose Barb

5/32"

.55

2.51

.55

.55

.55

.15

M 10x1

21SB TS04 MPX

21SB TS04 MPN

21SB TS04 RVX

21SB TS04 EVX

3/16"

.22

2.51

.55

.55

.55

.15

M 12x1

21SB TS05 MPX

21SB TS05 MPN

21SB TS05 RVX

21SB TS05 EVX

1/4"

.55

2.51

.55

.55

.66

.15

M 12x1

21SB TS06 MPX

21SB TS06 MPN

21SB TS06 RVX

21SB TS06 EVX

5/16"

.55

2.51

.55

.55

.66

.15

M 12x1

21SB TS08 MPX

21SB TS08 MPN

21SB TS08 RVX

21SB TS08 EVX

3/8"

.55

2.51

.66

.55

.74

.15

M 14x1

21SB TS10 MPX

21SB TS10 MPN

21SB TS10 RVX

21SB TS10 EVX

Plastic Hose Conn.
w/ Spring Guard

5/32" x 1/4"

.55

5.11

.27

.23

M 10x1

21SB KK46 MPX

21SB KK46 MPN

21SB KK46 RVX

21SB KK46 EVX

1/4" x 5/16

.55

5.31

.27

.23

M 12x1

21SB KK08 MPX

21SB KK08 MPN

21SB KK08 RVX

21SB KK08 EVX

Male
Thread

1/8" NPT

.55

1.65

.35

21SB AN10 MPX

21SB AN10 MPN

21SB AN10 RVX

21SB AN10 EVX

1/4" NPT

.55

1.77

.47

21SB AN13 MPX

21SB AN13 MPN

21SB AN13 RVX

21SB AN13 EVX

3/8" NPT

.66

1.77

.47

21SB AN17 MPX

21SB AN17 MPN

21SB AN17 RVX

21SB AN17 EVX

Female
Thread

1/8" NPSF

.55

1.71

.39

21SB IN10 MPX

21SB IN10 MPN

21SB IN10 RVX

21SB IN10 EVX

1/4" NPSF

.66

1.96

.51

21SB IN13 MPX

21SB IN13 MPN

21SB IN13 RVX

21SB IN13 EVX

1/4" NPSF

.74

2.04

.55

21SB IN17 MPX

21SB IN17 MPN

21SB IN17 RVX

21SB IN17 EVX

Hose Barb
Plug

Push-Lock Hose
Barb Plug

Plastic Hose
Connect. Plug

Panel Mount Plastic
Hose Connect. Plug

Panel Mount Hose
Barb Plug

Plastic Hose Connect.
w/ Spring Guard Plug

Male Thread
Plug

Female Thread
Plug

Why Choose Nycoil?

Nycoil, since its inception in 1958, has recognized the importance of Premier Customer Service, Quality Products and Quick Delivery. We design products that provide actual solutions to real problems. From the introduction of the original Self-Storing Air Hose to our Ultra-Lite Superbraid Tubing and state of the art Poly-Matic Push-To-Connect Fittings, Nycoil has become an industry leader in the Fluid Power and Pneumatic Markets. Our products are designed to last longer, be lighter and make installation and operator handling easier. We offer tubing, hoses, fittings, and quick couplers to service your pneumatic needs.